ystem using asynchronously shared activity data objects and journal data itemsUS7694092 *13 Nov 20066 Abr 2010Hitachi, Ltd.Storage subsystem and back-up/recovery methodUS7865680 *3 Ene 20084 Ene 2011Hitachi, Ltd.Remote copy systemUS20040122796 *23 Jul 200324 Jun 2004Fujitsu LimitedInformation management systemUS20040172509 *23 Jun 20032 Sep 2004Hitachi, Ltd.Data processing system including storage